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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use 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},
…		…
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";
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($$$;$) {
…		…
2045		2536
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2538
2048	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
2050	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
2053	}	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 (@_);
2054	}	2564	}
2055		2565
2056	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
2057		2567
2058	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
2071		2581
2072	=item $player_object->enter_link	2582	=item $player_object->enter_link
2073		2583
2074	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}>).
2075		2585
2076	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.
2077	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.
2078		2590
2079	Will never block.	2591	Will never block.
2080		2592
2081	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
2082		2594
…		…
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2620
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2622	if $self->map && $self->map->{path} ne "{link}";
2111		2623
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2625	}
2114		2626
2115	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
2117		2629
…		…
2134	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
2136		2648
2137	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
2140		2652
2141	$map->load;	2653	$map->load;
2142	$map->load_diag;	2654	$map->load_neighbours;
2143		2655
2144	return unless $self->contr->active;	2656	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2657
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
2149	}
2150		2660
		2661	# only activate afterwards, to support waiting in hooks
		2662	$self->activate_recursive;
		2663	}
		2664
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2666
2153	Moves the player to the given map-path and coordinates by first freezing	2667	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2668	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2669	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2670	the new (success) or old (failed) map position. In either case, $done will
		2671	be called at the end of this process.
		2672
		2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
2157		2675
2158	=cut	2676	=cut
2159		2677
2160	our $GOTOGEN;	2678	our $GOTOGEN;
2161		2679
2162	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2682
2165	# do generation counting so two concurrent goto's will be executed in-order	2683	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2685
2168	$self->enter_link;	2686	$self->enter_link;
2169		2687
2170	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
2171	my $map = eval {	2710	my $map = eval {
2172	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
2173		2712
2174	if ($map) {	2713	if ($map) {
2175	$map = $map->customise_for ($self);	2714	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2715	$map = $check->($map) if $check && $map;
2177	} else {	2716	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2718	}
2180		2719
2181	$map	2720	$map
2182	};	2721	};
2183		2722
…		…
2188		2727
2189	if ($gen == $self->{_goto_generation}) {	2728	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2729	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
2192	}	2731	}
		2732
		2733	$done->() if $done;
2193	})->prio (1);	2734	})->prio (1);
2194	}	2735	}
2195		2736
2196	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
2197		2738
…		…
2217	}	2758	}
2218		2759
2219	sub prepare_random_map {	2760	sub prepare_random_map {
2220	my ($exit) = @_;	2761	my ($exit) = @_;
2221		2762
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2765	# that depends on the exit object
2227		2766
2228	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2769	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2235	}	2776	}
2236		2777
2237	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2238		2779
2239	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2242		2783
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2786	undef $fh;
2246	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2247		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2250	}	2795	}
2251	}	2796	}
2252		2797
2253	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2255		2800
2256	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2257		2802
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2803	$self->enter_link;
2270		2804
2271	(async {	2805	(async {
2272	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2273	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2274	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2275		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2276	1;	2829	1
2277	}) {	2830	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2835
2283	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2302		2855
2303	utf8::encode $text;	2856	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2858	}
2306		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2307	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2308		3048
2309	Sends an exti event to the client.	3049	Sends an ext event to the client.
2310		3050
2311	=cut	3051	=cut
2312		3052
2313	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2315		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2318	}	3080	}
2319		3081
2320	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2321		3083
2322	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3087
2326	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3089	become reliable at some point in the future.
2328		3090
2329	=cut	3091	=cut
2330		3092
2331	sub cf::client::query {	3093	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3102	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3104
2343	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2345	}	3109	}
2346		3110
2347	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2348	on_reply => sub {	3117	on_reply => sub {
2349	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2350		3119
2351	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2352	# get handled first	3121	# get handled first
…		…
2364	} else {	3133	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3135	}
2367	}	3136	}
2368	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2369	);	3164	);
2370		3165
2371	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2372		3167
2373	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3184
2390	$coro	3185	$coro
2391	}	3186	}
2392		3187
2393	cf::client->attach (	3188	cf::client->attach (
2394	on_destroy => sub {	3189	on_client_destroy => sub {
2395	my ($ns) = @_;	3190	my ($ns) = @_;
2396		3191
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3193	},
2399	);	3194	);
…		…
2414	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2416		3211
2417	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2418		3213
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2420		3219
2421	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2422		3221
2423	=pod	3222	=pod
2424		3223
2425	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2426		3225
2427	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2428	cf::object::player player	3231	cf::object::player
2429	cf::player peaceful	3232	player
2430	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2431		3239
2432	=cut	3240	=cut
2433		3241
2434	for (	3242	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2439	) {	3249	) {
2440	no strict 'refs';	3250	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2460		3270
2461	my $qcode = $code;	3271	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2464		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2465	local $_;	3278	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3279
2468	my $eval =	3280	my $eval =
2469	"do {\n"	3281	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3284	. $code
2473	. "\n}"	3285	. "\n}"
2474	;	3286	;
2475		3287
		3288	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2479		3297
2480	if ($@) {	3298	if ($@) {
2481	warn "$@";	3299	warn "$@";
2482	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2483	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2502	=cut	3320	=cut
2503		3321
2504	sub register_script_function {	3322	sub register_script_function {
2505	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2506		3324
2507	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2509	}	3327	}
2510		3328
2511	=back	3329	=back
2512		3330
2513	=cut	3331	=cut
…		…
2515	#############################################################################	3333	#############################################################################
2516	# the server's init and main functions	3334	# the server's init and main functions
2517		3335
2518	sub load_facedata($) {	3336	sub load_facedata($) {
2519	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2520		3344
2521	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2522		3346
2523	my $facedata;	3347	my $facedata;
2524	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2528		3352
2529	$facedata->{version} == 2	3353	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2532	{	3365	{
2533	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2534		3367
2535	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3375
		3376	cf::cede_to_tick;
2541	}	3377	}
2542		3378
2543	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2545	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2546	or next;	3383	or next;
		3384
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3388	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3390	}
2552	Coro::cede;	3391
		3392	cf::cede_to_tick;
2553	}	3393	}
2554	}	3394	}
2555		3395
2556	{	3396	{
2557	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2558		3398
2559	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3401	cf::cede_to_tick;
2562	}	3402	}
2563		3403
2564	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2565	}	3405	}
2566		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2567	1	3426	1
2568	}	3427	}
2569		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2570	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2571	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2573	}	3479	}
2574		3480
2575	sub reload_facedata {	3481	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2588	}	3494	}
2589		3495
2590	sub reload_resources {	3496	sub reload_resources {
2591	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2592		3498
		3499	reload_facedata;
		3500	reload_archetypes;
2593	reload_regions;	3501	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3502	reload_treasures;
2598		3503
2599	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2600	}	3505	}
2601		3506
2602	sub init {	3507	sub reload_config {
2603	reload_resources;	3508	warn "reloading config file...\n";
2604	}
2605		3509
2606	sub cfg_load {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3511	or return;
2609		3512
2610	local $/;	3513	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2612		3515
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3517
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2620	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2621	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2622	};	3525	};
2623	warn $@ if $@;	3526	warn $@ if $@;
2624	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2625	}	3558	}
2626		3559
2627	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2628	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3573	(async {
2632	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2634	};	3577	};
2635		3578
2636	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2637	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2638	load_extensions;	3602	load_extensions;
2639		3603
2640	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2642	}	3617	}
2643		3618
2644	#############################################################################	3619	#############################################################################
2645	# initialisation and cleanup	3620	# initialisation and cleanup
2646		3621
2647	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2648	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2657	},
2658	);	3628	};
2659	}	3629	}
2660	}	3630	}
2661		3631
2662	sub write_runtime {	3632	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3633	my $t0 = AE::time;
2664		3634
2665	# first touch the runtime file to show we are still running:	3635	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3636	# the fsync below can take a very very long time.
2667		3637
2668	IO::AIO::aio_utime $runtime, undef, undef;	3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3639
2670	my $guard = cf::lock_acquire "write_runtime";	3640	my $guard = cf::lock_acquire "write_runtime";
2671		3641
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3643	or return;
2674		3644
2675	my $value = $cf::RUNTIME + 90 + 10;	3645	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3646	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3647	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3657	aio_utime $fh, undef, undef;
2688		3658
2689	close $fh	3659	close $fh
2690	or return;	3660	or return;
2691		3661
2692	aio_rename "$runtime~", $runtime	3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3663	and return;
2694		3664
2695	warn "runtime file written.\n";	3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3666
2697	1	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2698	}	3718	}
2699		3719
2700	sub emergency_save() {	3720	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2702		3722
2703	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2704		3724
2705	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2706	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3739	$pl->save;
2714	}	3740	}
2715	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2716		3742
2717	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3746	$map->valid or next;
2721	$map->save;	3747	$map->save;
2722	}	3748	}
2723	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2724		3750
2725	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2728	};	3758	};
2729		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2730	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2731	}	3766	}
2732		3767
2733	sub post_cleanup {	3768	sub post_cleanup {
2734	my ($make_core) = @_;	3769	my ($make_core) = @_;
2735		3770
2736	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2738	}	3801	}
2739		3802
2740	sub do_reload_perl() {	3803	sub do_reload_perl() {
2741	# can/must only be called in main	3804	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2743	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2744	return;	3807	return;
2745	}	3808	}
2746		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2747	warn "reloading...";	3815	warn "reloading...";
2748		3816
2749	warn "entering sync_job";	3817	warn "entering sync_job";
2750		3818
2751	cf::sync_job {	3819	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3821	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2755		3823
2756	warn "syncing database to disk";	3824	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3826
2759	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2760		3828
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3832	}
2797		3833
2798	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2800	}	3836	%EXT_CORO = ();
2801		3837
2802	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3847	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3848
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2813	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2814	}	3858	}
2815		3859
2816	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2817	}	3875	}
2818		3876
2819	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3880
2823	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3884
2827	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3886	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2830		3888
2831	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2832		3890
2833	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2834	require cf;	3892	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2836		3894
2837	warn "loading config and database again";	3895	warn "loading config and database again";
2838	cf::cfg_load;	3896	cf::reload_config;
2839		3897
2840	warn "loading extensions";	3898	warn "loading extensions";
2841	cf::load_extensions;	3899	cf::load_extensions;
2842		3900
		3901	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2849		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2850	warn "leaving sync_job";	3913	warn "leaving sync_job";
2851		3914
2852	1	3915	1
2853	} or do {	3916	} or do {
2854	warn $@;	3917	warn $@;
2855	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3919	};
2858		3920
2859	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2860	};	3927	};
2861		3928
2862	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2863		3930
2864	sub reload_perl() {	3931	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2867		3934
2868	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3937
2871	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3939	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2875	},	3941	};
2876	);	3942	};
2877	}	3943	}
2878		3944
2879	register_command "reload" => sub {	3945	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2881		3947
2882	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3952	reload_perl;
		3953	};
2885	}	3954	}
2886	};	3955	};
2887		3956
2888	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2889		3958
…		…
2891		3960
2892	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2894		3963
2895	sub wait_for_tick {	3964	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3966
2899	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3969	$signal->wait;
2902	}	3970	}
2903		3971
2904	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3974
2908	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3977	$signal->wait;
2911	}	3978	}
2912		3979
2913	my $min = 1e6;#d#	3980	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2925	return;	3984	return;
2926	}	3985	}
2927		3986
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2931		3988
2932	0 && sync_job {#d#	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3990
2938	$map->width (50);	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3993	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3994	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3995	write_runtime_sync
2943		3996	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3997	};
		3998	}
2954		3999
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4001	$sig->send;
2971	}	4002	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	4004	$sig->send;
2974	}	4005	}
2975		4006
2976	$NOW = Event::time;	4007	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4009
2987	_post_tick;	4010	if (0) {
2988		4011	if ($NEXT_TICK) {
2989		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
2990	},	4016	}
2991	);	4017	}
2992		4018
2993	{	4019	{
2994	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4021
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
3004		4023	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4025
3020	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4033
3023	cf::sync_job {	4034	cf::sync_job {
3024	eval {	4035	eval {
3025	BDB::db_env_open	4036	BDB::db_env_open
3026	$DB_ENV,	4037	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4041	0666;
3031		4042
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4044	};
3037		4045
3038	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4047	};
3040	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
3041	}	4059	}
3042		4060
3043	{	4061	{
		4062	# configure IO::AIO
		4063
3044	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4067	}
3057		4068
3058	my $_log_backtrace;	4069	my $_log_backtrace;
3059		4070
3060	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
3064		4075
3065	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
3068	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
3069	my @bt = fork_call {	4083	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
3081	}	4095	}
3082		4096
3083	@funcs	4097	@funcs
3084	};	4098	};
3085		4099
3086	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4103	--$_log_backtrace;
3089	};	4104	};
3090	} else {	4105	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4108	}
3094	}	4109	}
3095		4110
3096	# load additional modules	4111	# load additional modules
3097	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
3098		4114
3099	END { cf::emergency_save }	4115	END { cf::emergency_save }
3100		4116
3101	1	4117	1
3102		4118

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