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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 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
…		…
1347	}	1721	}
1348		1722
1349	\@paths	1723	\@paths
1350	}	1724	}
1351		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1352	=item $player->ext_reply ($msgid, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1353		1731
1354	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1355		1733
1356	=cut	1734	=cut
1357		1735
1358	sub ext_reply($$%) {	1736	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1360		1738
1361	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1740	}
1365		1741
1366	=item $player->ext_event ($type, %msg)	1742	=item $player->ext_msg ($type, @msg)
1367		1743
1368	Sends an ext event to the client.	1744	Sends an ext event to the client.
1369		1745
1370	=cut	1746	=cut
1371		1747
1372	sub ext_event($$%) {	1748	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1749	my ($self, $type, @msg) = @_;
1374		1750
1375	$self->ns->ext_event ($type, %msg);	1751	$self->ns->ext_msg ($type, @msg);
1376	}	1752	}
1377		1753
1378	=head3 cf::region	1754	=head3 cf::region
1379		1755
1380	=over 4	1756	=over 4
…		…
1393	my ($path) = @_;	1769	my ($path) = @_;
1394		1770
1395	my ($match, $specificity);	1771	my ($match, $specificity);
1396		1772
1397	for my $region (list) {	1773	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1774	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1775	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1776	if $region->specificity > $specificity;
1401	}	1777	}
1402	}	1778	}
1403		1779
…		…
1424	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1426		1802
1427	sub generate_random_map {	1803	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1429	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1809	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1523	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1524	return $self;	1903	return $self;
1525	}	1904	}
1526	}	1905	}
1527		1906
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1908	()
1530	}	1909	}
1531		1910
1532	sub init {	1911	sub init {
1533	my ($self) = @_;	1912	my ($self) = @_;
…		…
1555		1934
1556	# the temporary/swap location	1935	# the temporary/swap location
1557	sub save_path {	1936	sub save_path {
1558	my ($self) = @_;	1937	my ($self) = @_;
1559		1938
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1562	}	1941	}
1563		1942
1564	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1565	sub uniq_path {	1944	sub uniq_path {
1566	my ($self) = @_;	1945	my ($self) = @_;
1567		1946
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1948	"$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	}	1949	}
1580		1950
1581	sub decay_objects {	1951	sub decay_objects {
1582	my ($self) = @_;	1952	my ($self) = @_;
1583		1953
…		…
1596		1966
1597	sub load_header_from($) {	1967	sub load_header_from($) {
1598	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1599		1969
1600	utf8::encode $path;	1970	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1606		1979
1607	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1608		1981
1609	1	1982	1
1610	}	1983	}
…		…
1664	sub find {	2037	sub find {
1665	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1666		2039
1667	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1668		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2044
1671	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1674	or return;	2047	or return;
1675		2048
1676	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1677		2050
…		…
1679	or return;	2052	or return;
1680		2053
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1684	$map->reset;	2059	$map->reset;
1685	undef $guard;
1686	return find $path;	2060	return find $path;
1687	}	2061	}
1688		2062
1689	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1690	}	2064	}
1691	}	2065	}
1692		2066
1693	sub pre_load { }	2067	sub pre_load { }
1694	sub post_load { }	2068	#sub post_load { } # XS
1695		2069
1696	sub load {	2070	sub load {
1697	my ($self) = @_;	2071	my ($self) = @_;
1698		2072
1699	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1700		2074
1701	my $path = $self->{path};	2075	my $path = $self->{path};
1702		2076
1703	{	2077	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1705		2079
		2080	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2082
1708	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1709		2084
1710	$self->alloc;	2085	$self->alloc;
1711		2086
1712	$self->pre_load;	2087	$self->pre_load;
1713	Coro::cede;	2088	cf::cede_to_tick;
1714		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2092	$self->_load_objects ($f)
1716	or return;	2093	or return;
1717		2094
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1719	if delete $self->{load_original};	2096	if delete $self->{load_original};
1720		2097
1721	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2099	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2102	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1726	}	2106	}
1727	}	2107	}
1728		2108
1729	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1730	# now do the right thing for maps	2112	# now do the right thing for maps
1731	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2115	unless $self->difficulty;
1734	Coro::cede;	2116	cf::cede_to_tick;
1735		2117
1736	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2119	$self->decay_objects;
1738	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
1739	$self->update_buttons;	2121	$self->update_buttons;
1740	Coro::cede;	2122	cf::cede_to_tick;
1741	$self->set_darkness_map;
1742	Coro::cede;
1743	$self->activate;	2123	$self->activate;
1744	}	2124	}
1745		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2130	}
1748		2131
1749	$self->post_load;	2132	$self->post_load;
1750	}	2133	}
1751		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2138	sub customise_for {
1753	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1754		2140
1755	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2142	if $self->per_player;
…		…
1760		2146
1761	$self	2147	$self
1762	}	2148	}
1763		2149
1764	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2151	sub load_neighbours {
1766	my ($map) = @_;	2152	my ($map) = @_;
1767		2153
1768	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1769		2155
1770	for (0 .. 3) {	2156	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1772	or next;	2158	or next;
1773	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1774	or next;	2160	or next;
1775	$neigh->load;	2161	$neigh->load;
1776		2162
		2163	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2166	}
1780		2167
1781	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1783	or next;	2171	or next;
1784	$neigh->load;	2172	$neigh->load;
1785	}	2173	}
1786	}	2174	}
1787		2175
…		…
1792	}	2180	}
1793		2181
1794	sub do_load_sync {	2182	sub do_load_sync {
1795	my ($map) = @_;	2183	my ($map) = @_;
1796		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1797	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1798	}	2189	}
1799		2190
1800	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1802		2193
1803	sub find_async {	2194	sub find_async {
1804	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1805		2196
1806	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1807		2198
1808	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2201	}
1811		2202
1812	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1813	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1814	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2210	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2211	$map->load if $v;
		2212	}
1819		2213
1820	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1821	}	2215	}
1822	}	2216	}
1823	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1824	};	2218	};
1825	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1826		2220
1827	()	2221	()
1828	}	2222	}
1829		2223
		2224	# common code, used by both ->save and ->swapout
1830	sub save {	2225	sub _save {
1831	my ($self) = @_;	2226	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2227
1835	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1836		2229
1837	return unless $self->dirty;	2230	return unless $self->dirty;
1838		2231
…		…
1844	return if $self->{deny_save};	2237	return if $self->{deny_save};
1845		2238
1846	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1847		2240
1848	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1850	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1851		2247
1852	if ($uniq) {	2248	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2251	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2253	}
1858	}	2254	}
1859		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1860	sub swap_out {	2264	sub swap_out {
1861	my ($self) = @_;	2265	my ($self) = @_;
1862		2266
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1868	return if $self->players;	2271	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1872	$self->clear;	2282	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2283	}
1875		2284
1876	sub reset_at {	2285	sub reset_at {
1877	my ($self) = @_;	2286	my ($self) = @_;
1878		2287
…		…
1896		2305
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2307
1899	return if $self->players;	2308	return if $self->players;
1900		2309
1901	warn "resetting map ", $self->path;	2310	warn "resetting map ", $self->path, "\n";
1902		2311
1903	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
1904		2313
1905	# need to save uniques path	2314	# need to save uniques path
1906	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
1910	if $uniq;	2319	if $uniq;
1911	}	2320	}
1912		2321
1913	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1914		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2326	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2327
1919	$self->unlink_save;	2328	$self->unlink_save;
1920	$self->destroy;	2329	$self->destroy;
1921	}	2330	}
1922		2331
1923	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1924		2333
1925	sub nuke {	2334	sub nuke {
1926	my ($self) = @_;	2335	my ($self) = @_;
1927		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1928	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1929		2341
1930	$self->unlink_save;	2342	$self->unlink_save;
1931		2343
1932	bless $self, "cf::map";	2344	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2349
1938	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1939		2352
1940	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
1941	}	2354	}
1942		2355
1943	=item $maps = cf::map::tmp_maps	2356	=item $maps = cf::map::tmp_maps
…		…
1985		2398
1986	sub unique_maps() {	2399	sub unique_maps() {
1987	[	2400	[
1988	map {	2401	map {
1989	utf8::decode $_;	2402	utf8::decode $_;
1990	/\.map$/	2403	s/\.map$//; # TODO future compatibility hack
		2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
1991	? normalise $_	2406	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2407	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2408	]
1995	}	2409	}
1996		2410
1997	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1998		2442
1999	=back	2443	=back
2000		2444
2001	=head3 cf::object	2445	=head3 cf::object
2002		2446
…		…
2006		2450
2007	=over 4	2451	=over 4
2008		2452
2009	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
2010		2454
2011	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
2012		2457
2013	=cut	2458	=cut
2014		2459
2015	sub inv_recursive_;	2460	sub inv_recursive_;
2016	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
2019		2464
2020	sub inv_recursive {	2465	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
2022	}	2467	}
2023		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
2024	package cf;	2497	package cf;
2025		2498
2026	=back	2499	=back
2027		2500
2028	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	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	2508	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
2037		2510
2038	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
2039		2526
2040	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2528	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
2050		2537
2051	} else {	2538	} else {
2052	my $pl = $self->contr;	2539	my $pl = $self->contr;
2053		2540
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2542	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2544
2060	} else {	2545	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2548	}
2064	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
2065	}	2560	}
2066		2561
2067	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
2068		2563
2069	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
2082		2577
2083	=item $player_object->enter_link	2578	=item $player_object->enter_link
2084		2579
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2581
2087	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
2089		2586
2090	Will never block.	2587	Will never block.
2091		2588
2092	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
2093		2590
…		…
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2616
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
2122		2619
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2621	}
2125		2622
2126	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
2128		2625
…		…
2145	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
2147		2644
2148	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
2151		2648
2152	$map->load;	2649	$map->load;
2153	$map->load_diag;	2650	$map->load_neighbours;
2154		2651
2155	return unless $self->contr->active;	2652	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2653
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
2160	}
2161		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
		2659	}
		2660
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2662
2164	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2664	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2665	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2666	the new (success) or old (failed) map position. In either case, $done will
		2667	be called at the end of this process.
		2668
		2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
2168		2671
2169	=cut	2672	=cut
2170		2673
2171	our $GOTOGEN;	2674	our $GOTOGEN;
2172		2675
2173	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2678
2176	# do generation counting so two concurrent goto's will be executed in-order	2679	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2681
2179	$self->enter_link;	2682	$self->enter_link;
2180		2683
2181	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
2182	my $map = eval {	2706	my $map = eval {
2183	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
2184		2708
2185	if ($map) {	2709	if ($map) {
2186	$map = $map->customise_for ($self);	2710	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2711	$map = $check->($map) if $check && $map;
2188	} else {	2712	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2714	}
2191		2715
2192	$map	2716	$map
2193	};	2717	};
2194		2718
…		…
2199		2723
2200	if ($gen == $self->{_goto_generation}) {	2724	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2725	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
2203	}	2727	}
		2728
		2729	$done->() if $done;
2204	})->prio (1);	2730	})->prio (1);
2205	}	2731	}
2206		2732
2207	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
2208		2734
…		…
2228	}	2754	}
2229		2755
2230	sub prepare_random_map {	2756	sub prepare_random_map {
2231	my ($exit) = @_;	2757	my ($exit) = @_;
2232		2758
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2761	# that depends on the exit object
2238		2762
2239	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2765	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2246	}	2772	}
2247		2773
2248	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2249		2775
2250	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2253		2779
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2782	undef $fh;
2257	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2258		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2261	}	2791	}
2262	}	2792	}
2263		2793
2264	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2266		2796
2267	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2268		2798
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2799	$self->enter_link;
2281		2800
2282	(async {	2801	(async {
2283	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2284	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2285	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2286		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2287	1;	2825	1
2288	}) {	2826	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2831
2294	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2313		2851
2314	utf8::encode $text;	2852	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2854	}
2317		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
2318	=item $client->ext_event ($type, %msg)	3043	=item $client->ext_msg ($type, @msg)
2319		3044
2320	Sends an exti event to the client.	3045	Sends an ext event to the client.
2321		3046
2322	=cut	3047	=cut
2323		3048
2324	sub cf::client::ext_event($$%) {	3049	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3050	my ($self, $type, @msg) = @_;
2326		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3055	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
2329	}	3076	}
2330		3077
2331	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2332		3079
2333	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3083
2337	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3085	become reliable at some point in the future.
2339		3086
2340	=cut	3087	=cut
2341		3088
2342	sub cf::client::query {	3089	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3098	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3100
2354	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
2356	}	3105	}
2357		3106
2358	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
2359	on_reply => sub {	3113	on_reply => sub {
2360	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
2361		3115
2362	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
2363	# get handled first	3117	# get handled first
…		…
2375	} else {	3129	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3131	}
2378	}	3132	}
2379	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
2380	);	3160	);
2381		3161
2382	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
2383		3163
2384	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3180
2401	$coro	3181	$coro
2402	}	3182	}
2403		3183
2404	cf::client->attach (	3184	cf::client->attach (
2405	on_destroy => sub {	3185	on_client_destroy => sub {
2406	my ($ns) = @_;	3186	my ($ns) = @_;
2407		3187
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3189	},
2410	);	3190	);
…		…
2425	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2427		3207
2428	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2429		3209
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2431		3215
2432	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2433		3217
2434	=pod	3218	=pod
2435		3219
2436	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2437		3221
2438	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2439	cf::object::player player	3227	cf::object::player
2440	cf::player peaceful	3228	player
2441	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2442		3235
2443	=cut	3236	=cut
2444		3237
2445	for (	3238	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2450	) {	3245	) {
2451	no strict 'refs';	3246	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2471		3266
2472	my $qcode = $code;	3267	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2475		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2476	local $_;	3274	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3275
2479	my $eval =	3276	my $eval =
2480	"do {\n"	3277	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3280	. $code
2484	. "\n}"	3281	. "\n}"
2485	;	3282	;
2486		3283
		3284	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2490		3293
2491	if ($@) {	3294	if ($@) {
2492	warn "$@";	3295	warn "$@";
2493	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2494	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2513	=cut	3316	=cut
2514		3317
2515	sub register_script_function {	3318	sub register_script_function {
2516	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2517		3320
2518	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2520	}	3323	}
2521		3324
2522	=back	3325	=back
2523		3326
2524	=cut	3327	=cut
…		…
2526	#############################################################################	3329	#############################################################################
2527	# the server's init and main functions	3330	# the server's init and main functions
2528		3331
2529	sub load_facedata($) {	3332	sub load_facedata($) {
2530	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2531		3340
2532	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2533		3342
2534	my $facedata;	3343	my $facedata;
2535	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2539		3348
2540	$facedata->{version} == 2	3349	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2543	{	3361	{
2544	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2545		3363
2546	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3371
		3372	cf::cede_to_tick;
2552	}	3373	}
2553		3374
2554	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2556	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2557	or next;	3379	or next;
		3380
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3384	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3386	}
2563	Coro::cede;	3387
		3388	cf::cede_to_tick;
2564	}	3389	}
2565	}	3390	}
2566		3391
2567	{	3392	{
2568	my $anims = $facedata->{animinfo};	3393	my $anims = $facedata->{animinfo};
2569		3394
2570	while (my ($anim, $info) = each %$anims) {	3395	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3397	cf::cede_to_tick;
2573	}	3398	}
2574		3399
2575	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2576	}	3401	}
2577		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
2578	1	3422	1
2579	}	3423	}
2580		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2581	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2582	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2584	}	3475	}
2585		3476
2586	sub reload_facedata {	3477	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2599	}	3490	}
2600		3491
2601	sub reload_resources {	3492	sub reload_resources {
2602	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2603		3494
		3495	reload_facedata;
		3496	reload_archetypes;
2604	reload_regions;	3497	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3498	reload_treasures;
2609		3499
2610	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
2611	}	3501	}
2612		3502
2613	sub init {	3503	sub reload_config {
2614	reload_resources;	3504	warn "reloading config file...\n";
2615	}
2616		3505
2617	sub cfg_load {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3507	or return;
2620		3508
2621	local $/;	3509	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2623		3511
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3513
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2632	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2633	};	3521	};
2634	warn $@ if $@;	3522	warn $@ if $@;
2635	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2636	}	3554	}
2637		3555
2638	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2639	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3569	(async {
2643	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2645	};	3573	};
2646		3574
2647	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
2648	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2649	load_extensions;	3598	load_extensions;
2650		3599
2651	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2653	}	3613	}
2654		3614
2655	#############################################################################	3615	#############################################################################
2656	# initialisation and cleanup	3616	# initialisation and cleanup
2657		3617
2658	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2659	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2668	},
2669	);	3624	};
2670	}	3625	}
2671	}	3626	}
2672		3627
2673	sub write_runtime {	3628	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3629	my $t0 = AE::time;
2675		3630
2676	# first touch the runtime file to show we are still running:	3631	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3632	# the fsync below can take a very very long time.
2678		3633
2679	IO::AIO::aio_utime $runtime, undef, undef;	3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3635
2681	my $guard = cf::lock_acquire "write_runtime";	3636	my $guard = cf::lock_acquire "write_runtime";
2682		3637
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3639	or return;
2685		3640
2686	my $value = $cf::RUNTIME + 90 + 10;	3641	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3642	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3643	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3653	aio_utime $fh, undef, undef;
2699		3654
2700	close $fh	3655	close $fh
2701	or return;	3656	or return;
2702		3657
2703	aio_rename "$runtime~", $runtime	3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3659	and return;
2705		3660
2706	warn "runtime file written.\n";	3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3662
2708	1	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2709	}	3714	}
2710		3715
2711	sub emergency_save() {	3716	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2713		3718
2714	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2715		3720
2716	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2717	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3735	$pl->save;
2725	}	3736	}
2726	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2727		3738
2728	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3742	$map->valid or next;
2732	$map->save;	3743	$map->save;
2733	}	3744	}
2734	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2735		3746
2736	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2739	};	3754	};
2740		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2741	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2742	}	3762	}
2743		3763
2744	sub post_cleanup {	3764	sub post_cleanup {
2745	my ($make_core) = @_;	3765	my ($make_core) = @_;
2746		3766
2747	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
2749	}	3797	}
2750		3798
2751	sub do_reload_perl() {	3799	sub do_reload_perl() {
2752	# can/must only be called in main	3800	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2754	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2755	return;	3803	return;
2756	}	3804	}
2757		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2758	warn "reloading...";	3811	warn "reloading...";
2759		3812
2760	warn "entering sync_job";	3813	warn "entering sync_job";
2761		3814
2762	cf::sync_job {	3815	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3817	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
2766		3819
2767	warn "syncing database to disk";	3820	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3822
2770	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2771		3824
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3828	}
2808		3829
2809	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2811	}	3832	%EXT_CORO = ();
2812		3833
2813	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3843	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3844
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2824	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2825	}	3854	}
2826		3855
2827	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2828	}	3871	}
2829		3872
2830	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3876
2834	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		3880
2838	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3882	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2841		3884
2842	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2843		3886
2844	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2845	require cf;	3888	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2847		3890
2848	warn "loading config and database again";	3891	warn "loading config and database again";
2849	cf::cfg_load;	3892	cf::reload_config;
2850		3893
2851	warn "loading extensions";	3894	warn "loading extensions";
2852	cf::load_extensions;	3895	cf::load_extensions;
2853		3896
		3897	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
2860		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
2861	warn "leaving sync_job";	3909	warn "leaving sync_job";
2862		3910
2863	1	3911	1
2864	} or do {	3912	} or do {
2865	warn $@;	3913	warn $@;
2866	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3915	};
2869		3916
2870	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
2871	};	3923	};
2872		3924
2873	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
2874		3926
2875	sub reload_perl() {	3927	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
2878		3930
2879	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	3933
2882	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	3935	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
2886	},	3937	};
2887	);	3938	};
2888	}	3939	}
2889		3940
2890	register_command "reload" => sub {	3941	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2892		3943
2893	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3948	reload_perl;
		3949	};
2896	}	3950	}
2897	};	3951	};
2898		3952
2899	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2900		3954
…		…
2902		3956
2903	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
2905		3959
2906	sub wait_for_tick {	3960	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2909		3962
2910	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3965	$signal->wait;
2913	}	3966	}
2914		3967
2915	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2918		3970
2919	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3973	$signal->wait;
2922	}	3974	}
2923		3975
2924	my $min = 1e6;#d#	3976	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
2936	return;	3980	return;
2937	}	3981	}
2938		3982
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2942		3984
2943	0 && sync_job {#d#	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2944	for(1..10) {
2945	my $t = Event::time;
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2947	or die;
2948		3986
2949	$map->width (50);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2950	$map->height (50);	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2951	$map->alloc;	3989	Coro::async_pool {
2952	$map->_load_objects ("/tmp/x.map", 1);	3990	$Coro::current->{desc} = "runtime saver";
2953	my $t = Event::time - $t;	3991	write_runtime_sync
2954		3992	or warn "ERROR: unable to write runtime file: $!";
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3993	};
		3994	}
2965		3995
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	3997	$sig->send;
2982	}	3998	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	4000	$sig->send;
2985	}	4001	}
2986		4002
2987	$NOW = Event::time;	4003	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4005
2998	_post_tick;	4006	if (0) {
2999		4007	if ($NEXT_TICK) {
3000		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
3001	},	4012	}
3002	);	4013	}
3003		4014
3004	{	4015	{
3005	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4017
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
3015		4019	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4021
3031	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4029
3034	cf::sync_job {	4030	cf::sync_job {
3035	eval {	4031	eval {
3036	BDB::db_env_open	4032	BDB::db_env_open
3037	$DB_ENV,	4033	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4037	0666;
3042		4038
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4040	};
3048		4041
3049	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4043	};
3051	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
3052	}	4055	}
3053		4056
3054	{	4057	{
		4058	# configure IO::AIO
		4059
3055	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4063	}
3068		4064
3069	my $_log_backtrace;	4065	my $_log_backtrace;
3070		4066
3071	sub _log_backtrace {	4067	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
3075		4071
3076	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
3079	async {	4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
3080	my @bt = fork_call {	4079	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4083	or die "addr2line: $!";
…		…
3092	}	4091	}
3093		4092
3094	@funcs	4093	@funcs
3095	};	4094	};
3096		4095
3097	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4099	--$_log_backtrace;
3100	};	4100	};
3101	} else {	4101	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3104	}	4104	}
3105	}	4105	}
3106		4106
3107	# load additional modules	4107	# load additional modules
3108	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3109		4110
3110	END { cf::emergency_save }	4111	END { cf::emergency_save }
3111		4112
3112	1	4113	1
3113		4114

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