ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
		50	use Coro::Util ();
24		51
		52	use JSON::XS 2.01 ();
25	use BDB ();	53	use BDB ();
26	use Data::Dumper;	54	use Data::Dumper;
27	use Digest::MD5;	55	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
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		75
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		77
49	our %COMMAND = ();	78	our %COMMAND = ();
50	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
51		80
52	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
56		86
57	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	88	our @EVENT;
59		89
60	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	91	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
71		105
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	108	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	114	our $DB_ENV;
82		115
83	our %CFG;	116	our %CFG;
84		117
85	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
87		121
88	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
91		125
92	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		128
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		137
99	binmode STDOUT;	138	binmode STDOUT;
100	binmode STDERR;	139	binmode STDERR;
101		140
102	# read virtual server time, if available	141	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
107	}	146	}
108		147
109	mkdir $_	148	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		194
156	The raw value load value from the last tick.	195	The raw value load value from the last tick.
157		196
158	=item %cf::CFG	197	=item %cf::CFG
159		198
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	200	from wherever your confdir points to.
162		201
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		203
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	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	205	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.	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
		213
169	=back	214	=back
170		215
171	=cut	216	=cut
172		217
173	BEGIN {	218	BEGIN {
…		…
177	$msg .= "\n"	222	$msg .= "\n"
178	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
179		224
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		226
182	utf8::encode $msg;
183	LOG llevError, $msg;	227	LOG llevError, $msg;
184	};	228	};
185	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
186		245
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		253
194	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	255	# within the Safe compartment.
196	for my $pkg (qw(	256	for my $pkg (qw(
197	cf::global cf::attachable	257	cf::global cf::attachable
198	cf::object cf::object::player	258	cf::object cf::object::player
199	cf::client cf::player	259	cf::client cf::player
200	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
201	cf::map cf::party cf::region	262	cf::party cf::region
202	)) {	263	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	265	}
206		266
207	$Event::DIED = sub {	267	$EV::DIED = sub {
208	warn "error in event callback: @_";	268	warn "error in event callback: @_";
209	};	269	};
		270
		271	#############################################################################
210		272
211	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
212		274
213	=over 4	275	=over 4
214		276
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	296	$d
235	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
236	}	298	}
237		299
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
241		301
242	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
243		303
244	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
245		305
246	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
247		307
		308	=cut
		309
		310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		311
		312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
		328
248	=item cf::lock_wait $string	329	=item cf::lock_wait $string
249		330
250	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
251		332
252	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
253		334
254	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
257	returned.	338	returned.
258		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
259	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
261		345
262	=item $locked = cf::lock_active $string	346	=item $locked = cf::lock_active $string
263		347
264	Return true if the lock is currently active, i.e. somebody has locked it.	348	Return true if the lock is currently active, i.e. somebody has locked it.
265		349
266	=cut	350	=cut
267		351
268	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
269		354
270	sub lock_wait($) {	355	sub lock_wait($) {
271	my ($key) = @_;	356	my ($key) = @_;
272		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
273	# wait for lock, if any	363	# wait for lock, if any
274	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	367	Coro::schedule;
277	}	368	}
278	}	369	}
279		370
…		…
282		373
283	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
284	lock_wait $key;	375	lock_wait $key;
285		376
286	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
287		379
288	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
291	}	384	}
292	}	385	}
293		386
…		…
296		389
297	! ! $LOCK{$key}	390	! ! $LOCK{$key}
298	}	391	}
299		392
300	sub freeze_mainloop {	393	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
302		395
303	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	397	}
		398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
305	};	457	}
306	$TICK_WATCHER->stop;	458	};
307	$guard	459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
308	}	472	}
309		473
310	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
311		475
312	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		481
318	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
319		483
320	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
321		485
322	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
325		490
326	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
329	fast or be very important.	494	fast or be very important.
…		…
332		497
333	sub sync_job(&) {	498	sub sync_job(&) {
334	my ($job) = @_;	499	my ($job) = @_;
335		500
336	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	502	my $time = EV::time;
338		503
339	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
341		506
342	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	508
344	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
345		510
346	my $busy = 1;	511	my $busy = 1;
347	my @res;	512	my @res;
348		513
349	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	516	@res = eval { $job->() };
351	warn $@ if $@;	517	warn $@ if $@;
352	undef $busy;	518	undef $busy;
353	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
354		520
355	while ($busy) {	521	while ($busy) {
356	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
357	}	526	}
		527	}
358		528
359	$time = Event::time - $time;	529	my $time = EV::time - $time;
360		530
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	531	$TICK_START += $time; # do not account sync jobs to server load
365		532
366	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
367	} else {	534	} else {
368	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
369		536
…		…
389	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
390		557
391	$coro	558	$coro
392	}	559	}
393		560
394	sub write_runtime {	561	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		562
397	# first touch the runtime file to show we are still running:	563	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
399		567
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	568	=cut
401	utime undef, undef, $fh;	569
		570	sub fork_call(&@) {
		571	my ($cb, @args) = @_;
		572
		573	# we seemingly have to make a local copy of the whole thing,
		574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
		576
		577	my @res = Coro::Util::fork_eval {
		578	reset_signals;
		579	&$cb
		580	}, @args;
		581
		582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
402	}	639	};
		640	cf::cleanup "db_open(db): $@" if $@;
403		641
404	my $guard = cf::lock_acquire "write_runtime";	642	$db
		643	}
405		644
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	645	our $DB;
407	or return;
408		646
409	my $value = $cf::RUNTIME + 90 + 10;	647	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	648	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	649	$DB ||= db_table "db";
		650	};
		651	}
412		652
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	653	sub db_get($$) {
414	and return;	654	my $key = "$_[0]/$_[1]";
415		655
416	# always fsync - this file is important	656	cf::sync_job {
417	aio_fsync $fh	657	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		658
420	# touch it again to show we are up-to-date	659	$! ? ()
421	utime undef, undef, $fh;	660	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
432	}	737	}
433		738
434	=item cf::datalog type => key => value, ...	739	=item cf::datalog type => key => value, ...
435		740
436	Log a datalog packet of the given type with the given key-value pairs.	741	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		753
449	#############################################################################	754	#############################################################################
450		755
451	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
452		757
453	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
456		761
457	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	764	Deliantra).
460		765
461	=over 4	766	=over 4
462		767
463	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
464		769
…		…
508	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
509		814
510	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
512		817
513	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
515		820
516	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
517		822
518	=over 4	823	=over 4
…		…
666	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
667	}	972	}
668		973
669	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
670	} else {	975	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	977	}
673		978
674	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
675	}	980	}
676		981
…		…
716	";	1021	";
717	die if $@;	1022	die if $@;
718	}	1023	}
719		1024
720	our $override;	1025	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1027
723	sub override {	1028	sub override {
724	$override = 1;	1029	$override = 1;
725	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
726	}	1031	}
727		1032
728	sub do_invoke {	1033	sub do_invoke {
729	my $event = shift;	1034	my $event = shift;
730	my $callbacks = shift;	1035	my $callbacks = shift;
731		1036
732	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
733		1038
734	local $override;	1039	local $override;
735		1040
736	for (@$callbacks) {	1041	for (@$callbacks) {
737	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
746	}	1051	}
747		1052
748	0	1053	0
749	}	1054	}
750		1055
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1057
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1059
755	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
756		1061
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1065
761	=back	1066	=back
762		1067
763	=cut	1068	=cut
764		1069
765	#############################################################################	1070	#############################################################################
766	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
767		1114
768	sub reattach {	1115	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1117	my ($obj) = @_;
771		1118
		1119	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1121
774	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
775		1123
776	@$registry = ();	1124	@$registry = ();
777		1125
…		…
792	cf::attachable->attach (	1140	cf::attachable->attach (
793	prio => -1000000,	1141	prio => -1000000,
794	on_instantiate => sub {	1142	on_instantiate => sub {
795	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
796		1144
797	$data = from_json $data;	1145	$data = decode_json $data;
798		1146
799	for (@$data) {	1147	for (@$data) {
800	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
801		1149
802	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1166	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
820		1168
821	sync_job {	1169	sync_job {
822	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
825		1174
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1179	aio_close $fh;
831		1180
832	if (@$objs) {	1181	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1187	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
840	}	1189	}
841	} else {	1190	} else {
842	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
843	}	1192	}
844		1193
845	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1198	} else {
847	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
848	}	1200	}
849	} else {	1201	} else {
850	aio_unlink $filename;	1202	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
852	}	1204	}
853	}	1205	};
854	}	1206	}
855		1207
856	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
858		1210
…		…
870	or return;	1222	or return;
871		1223
872	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
874	or return;	1226	or return;
		1227
875	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
876	}	1230	}
877		1231
		1232	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
880	return ($data, $av);	1236	($data, $av)
881	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
882		1244
883	#############################################################################	1245	#############################################################################
884	# command handling &c	1246	# command handling &c
885		1247
886	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1262	}
901		1263
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1265
904	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
905		1271
906	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
907	called.	1273	called.
908		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
909	=cut	1286	=cut
910		1287
911	sub register_extcmd {	1288	sub register_extcmd {
912	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
913		1290
914	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
915	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
916		1301
917	cf::player->attach (	1302	cf::player->attach (
918	on_command => sub {	1303	on_command => sub {
919	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
920		1305
…		…
928	cf::override;	1313	cf::override;
929	},	1314	},
930	on_extcmd => sub {	1315	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
932		1317
933	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1319
935	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
941	} else {	1335	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1337	}
944		1338
945	cf::override;	1339	cf::override;
946	},	1340	},
947	);	1341	);
948		1342
		1343	# "readahead" all extensions
949	sub load_extension {	1344	sub cache_extensions {
950	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
951		1346
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
953	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1350	}
977	die $@;
978	}	1351	};
979		1352
980	push @EXTS, $pkg;	1353	$grp
981	}	1354	}
982		1355
983	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
984	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1361	next unless -r $path;
986	eval {	1362
987	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
988	1	1419	}
989	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
990	}	1425	};
991	}	1426	}
992		1427
993	#############################################################################	1428	#############################################################################
994		1429
		1430	=back
		1431
995	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
996		1433
997	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
998		1435
999	=cut	1436	=cut
1000		1437
1001	package cf::player;	1438	package cf::player;
1002		1439
1003	use Coro::AIO;	1440	use Coro::AIO;
1004		1441
1005	=head3 cf::player	1442	=head3 cf::player
1006		1443
1007	=over 4	1444	=over 4
		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
1008		1459
1009	=item cf::player::find $login	1460	=item cf::player::find $login
1010		1461
1011	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1012		1463
…		…
1031		1482
1032	sub exists($) {	1483	sub exists($) {
1033	my ($login) = @_;	1484	my ($login) = @_;
1034		1485
1035	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1037	}	1488	}
1038		1489
1039	sub find($) {	1490	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1492	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1502	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1503
1053	my $pl = load_pl path $login	1504	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1056	}	1513	}
1057	}	1514	}
1058	}	1515	}
1059		1516
…		…
1068	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1069		1526
1070	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1072		1529
		1530	cf::get_slot 0.01;
		1531
1073	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1074	Coro::cede;	1533	cf::cede_to_tick;
1075	}	1534	}
1076		1535
1077	sub new($) {	1536	sub new($) {
1078	my ($login) = @_;	1537	my ($login) = @_;
1079		1538
…		…
1085	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1086		1545
1087	$self	1546	$self
1088	}	1547	}
1089		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1090	=item $pl->quit_character	1559	=item $pl->quit_character
1091		1560
1092	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1094		1563
…		…
1098	my ($pl) = @_;	1567	my ($pl) = @_;
1099		1568
1100	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1101		1570
1102	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1573
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1109		1580
1110	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1618	or return [];
1148		1619
1149	my @logins;	1620	my @logins;
1150		1621
1151	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1155		1632
1156	utf8::decode $login;	1633	utf8::decode $login;
1157	push @logins, $login;	1634	push @logins, $login;
1158	}	1635	}
1159		1636
…		…
1186	}	1663	}
1187		1664
1188	\@paths	1665	\@paths
1189	}	1666	}
1190		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1191	=item $player->ext_reply ($msgid, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1192		1673
1193	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1194		1675
1195	=cut	1676	=cut
1196		1677
1197	sub ext_reply($$%) {	1678	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1199		1680
1200	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1682	}
1204		1683
1205	=item $player->ext_event ($type, %msg)	1684	=item $player->ext_msg ($type, @msg)
1206		1685
1207	Sends an ext event to the client.	1686	Sends an ext event to the client.
1208		1687
1209	=cut	1688	=cut
1210		1689
1211	sub ext_event($$%) {	1690	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1691	my ($self, $type, @msg) = @_;
1213		1692
1214	$self->ns->ext_event ($type, %msg);	1693	$self->ns->ext_msg ($type, @msg);
1215	}	1694	}
1216		1695
1217	=head3 cf::region	1696	=head3 cf::region
1218		1697
1219	=over 4	1698	=over 4
…		…
1222		1701
1223	package cf::region;	1702	package cf::region;
1224		1703
1225	=item cf::region::find_by_path $path	1704	=item cf::region::find_by_path $path
1226		1705
1227	Tries to decuce the probable region for a map knowing only its path.	1706	Tries to decuce the likely region for a map knowing only its path.
1228		1707
1229	=cut	1708	=cut
1230		1709
1231	sub find_by_path($) {	1710	sub find_by_path($) {
1232	my ($path) = @_;	1711	my ($path) = @_;
1233		1712
1234	my ($match, $specificity);	1713	my ($match, $specificity);
1235		1714
1236	for my $region (list) {	1715	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1716	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1717	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1718	if $region->specificity > $specificity;
1240	}	1719	}
1241	}	1720	}
1242		1721
…		…
1263	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1265		1744
1266	sub generate_random_map {	1745	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1268	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1751	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1788	my ($self, $merge) = @_;
1307		1789
1308	# we have to keep some variables in memory intact	1790	# we have to keep some variables in memory intact
1309	local $self->{path};	1791	local $self->{path};
1310	local $self->{load_path};	1792	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1793
1314	$self->SUPER::thawer_merge ($merge);	1794	$self->SUPER::thawer_merge ($merge);
1315	}	1795	}
1316		1796
1317	sub normalise {	1797	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1844	$self->init; # pass $1 etc.
1365	return $self;	1845	return $self;
1366	}	1846	}
1367	}	1847	}
1368		1848
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1850	()
1371	}	1851	}
1372		1852
1373	sub init {	1853	sub init {
1374	my ($self) = @_;	1854	my ($self) = @_;
…		…
1396		1876
1397	# the temporary/swap location	1877	# the temporary/swap location
1398	sub save_path {	1878	sub save_path {
1399	my ($self) = @_;	1879	my ($self) = @_;
1400		1880
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1403	}	1883	}
1404		1884
1405	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1406	sub uniq_path {	1886	sub uniq_path {
1407	my ($self) = @_;	1887	my ($self) = @_;
1408		1888
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1411	}	1891	}
1412		1892
1413	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1414	# all maps in C++...	1894	# all maps in C++...
…		…
1417		1897
1418	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1420	}	1900	}
1421		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
1422	sub unlink_save {	1910	sub unlink_save {
1423	my ($self) = @_;	1911	my ($self) = @_;
1424		1912
1425	utf8::encode (my $save = $self->save_path);	1913	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1917
1430	sub load_header_from($) {	1918	sub load_header_from($) {
1431	my ($self, $path) = @_;	1919	my ($self, $path) = @_;
1432		1920
1433	utf8::encode $path;	1921	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1923	or return;
		1924
		1925	$self->_load_header ($f)
		1926	or return;
		1927
		1928	local $MAP_LOADING{$self->{path}} = $self;
		1929	$f->resolve_delayed_derefs;
1439		1930
1440	$self->{load_path} = $path;	1931	$self->{load_path} = $path;
1441		1932
1442	1	1933	1
1443	}	1934	}
…		…
1482	$self->load_header_orig	1973	$self->load_header_orig
1483	or return;	1974	or return;
1484	$self->prepare_orig;	1975	$self->prepare_orig;
1485	}	1976	}
1486		1977
		1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
		1980
1487	$self->default_region (cf::region::find_by_path $self->{path})	1981	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1982	unless $self->default_region;
1489		1983
1490	1	1984	1
1491	}	1985	}
…		…
1494	sub find {	1988	sub find {
1495	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1496		1990
1497	$path = normalise $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1498		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1500		1995
1501	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
		1999
1503	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1504	or return;	2001	or return;
1505		2002
1506	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1507		2004
1508	$map->load_header	2005	$map->load_header
1509	or return;	2006	or return;
1510		2007
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1514	$map->reset;	2013	$map->reset;
1515	undef $guard;
1516	return find $path;	2014	return find $path;
1517	}	2015	}
1518		2016
1519	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1520	}	2018	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1530		2028
1531	my $path = $self->{path};	2029	my $path = $self->{path};
1532		2030
1533	{	2031	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1535		2033
		2034	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2036
1538	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1539		2038
1540	$self->alloc;	2039	$self->alloc;
1541		2040
1542	$self->pre_load;	2041	$self->pre_load;
1543	Coro::cede;	2042	cf::cede_to_tick;
1544		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1546	or return;	2047	or return;
1547		2048
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1549	if delete $self->{load_original};	2050	if delete $self->{load_original};
1550		2051
1551	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2053	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2056	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1556	}	2060	}
1557	}	2061	}
1558		2062
1559	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1560	# now do the right thing for maps	2066	# now do the right thing for maps
1561	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2069	unless $self->difficulty;
1564	Coro::cede;	2070	cf::cede_to_tick;
1565		2071
1566	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2073	$self->decay_objects;
1568	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1569	$self->update_buttons;	2075	$self->update_buttons;
1570	Coro::cede;	2076	cf::cede_to_tick;
1571	$self->set_darkness_map;	2077	$self->set_darkness_map;
1572	Coro::cede;	2078	cf::cede_to_tick;
1573	$self->activate;	2079	$self->activate;
1574	}	2080	}
1575		2081
		2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
		2084
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2086	}
1578		2087
1579	$self->post_load;	2088	$self->post_load;
1580	}	2089	}
1581		2090
…		…
1583	my ($self, $ob) = @_;	2092	my ($self, $ob) = @_;
1584		2093
1585	return find "~" . $ob->name . "/" . $self->{path}	2094	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2095	if $self->per_player;
1587		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
1588	$self	2100	$self
1589	}	2101	}
1590		2102
1591	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2104	sub load_neighbours {
1593	my ($map) = @_;	2105	my ($map) = @_;
1594		2106
1595	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1596		2108
1597	for (0 .. 3) {	2109	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1599	or next;	2111	or next;
1600	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1601	or next;	2113	or next;
1602	$neigh->load;	2114	$neigh->load;
1603		2115
		2116	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2119	}
1607		2120
1608	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1610	or next;	2124	or next;
1611	$neigh->load;	2125	$neigh->load;
1612	}	2126	}
1613	}	2127	}
1614		2128
…		…
1619	}	2133	}
1620		2134
1621	sub do_load_sync {	2135	sub do_load_sync {
1622	my ($map) = @_;	2136	my ($map) = @_;
1623		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1624	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1625	}	2142	}
1626		2143
1627	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2145	our $MAP_PREFETCHER = undef;
1629		2146
1630	sub find_async {	2147	sub find_async {
1631	my ($path, $origin) = @_;	2148	my ($path, $origin, $load) = @_;
1632		2149
1633	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
1634		2151
1635	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2154	}
1638		2155
1639	undef $MAP_PREFETCH{$path};	2156	$MAP_PREFETCH{$path} |= $load;
		2157
1640	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
		2159	$Coro::current->{desc} = "map prefetcher";
		2160
1641	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2163	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2164	$map->load if $v;
		2165	}
1646		2166
1647	delete $MAP_PREFETCH{$path};	2167	delete $MAP_PREFETCH{$k};
1648	}	2168	}
1649	}	2169	}
1650	undef $MAP_PREFETCHER;	2170	undef $MAP_PREFETCHER;
1651	};	2171	};
1652	$MAP_PREFETCHER->prio (6);	2172	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2175	}
1656		2176
1657	sub save {	2177	sub save {
1658	my ($self) = @_;	2178	my ($self) = @_;
1659		2179
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2181
1662	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1663		2183
1664	return unless $self->dirty;	2184	return unless $self->dirty;
1665		2185
…		…
1671	return if $self->{deny_save};	2191	return if $self->{deny_save};
1672		2192
1673	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1674		2194
1675	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1677	};	2198	};
		2199
		2200	cf::get_slot 0.02;
1678		2201
1679	if ($uniq) {	2202	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2205	} else {
…		…
1688	my ($self) = @_;	2211	my ($self) = @_;
1689		2212
1690	# save first because save cedes	2213	# save first because save cedes
1691	$self->save;	2214	$self->save;
1692		2215
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2217
1695	return if $self->players;	2218	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2220	return if $self->{deny_save};
1698		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2226	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2227	}
1702		2228
1703	sub reset_at {	2229	sub reset_at {
1704	my ($self) = @_;	2230	my ($self) = @_;
1705		2231
1706	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1709		2234
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2237
…		…
1723	my ($self) = @_;	2248	my ($self) = @_;
1724		2249
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2251
1727	return if $self->players;	2252	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2253
1730	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
1731		2255
1732	$self->in_memory (cf::MAP_SWAPPED);	2256	$self->in_memory (cf::MAP_SWAPPED);
1733		2257
1734	# need to save uniques path	2258	# need to save uniques path
1735	unless ($self->{deny_save}) {	2259	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2263	if $uniq;
1740	}	2264	}
1741		2265
1742	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1743		2267
		2268	$self->deactivate;
		2269	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2270	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2271
1748	$self->unlink_save;	2272	$self->unlink_save;
1749	$self->destroy;	2273	$self->destroy;
1750	}	2274	}
1751		2275
1752	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1753		2277
1754	sub nuke {	2278	sub nuke {
1755	my ($self) = @_;	2279	my ($self) = @_;
1756		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
1757	delete $cf::MAP{$self->path};	2284	delete $cf::MAP{$self->path};
1758		2285
1759	$self->unlink_save;	2286	$self->unlink_save;
1760		2287
1761	bless $self, "cf::map";	2288	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2289	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2293
1767	$cf::MAP{$self->path} = $self;	2294	$cf::MAP{$self->path} = $self;
		2295	}
1768		2296
1769	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
		2298	}
		2299
		2300	=item $maps = cf::map::tmp_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1770	}	2334	}
1771		2335
1772	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1773		2337
1774	Returns an arrayref of paths of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2339	instantiated unique items. May block.
1776		2340
1777	=cut	2341	=cut
1778		2342
1779	sub unique_maps() {	2343	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2344	[
1781	or return;	2345	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2346	utf8::decode $_;
1787	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2349	? ()
1790	push @paths, cf::map::normalise $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2352	]
1792
1793	\@paths
1794	}	2353	}
1795
1796	package cf;
1797		2354
1798	=back	2355	=back
1799		2356
1800	=head3 cf::object	2357	=head3 cf::object
1801		2358
…		…
1805		2362
1806	=over 4	2363	=over 4
1807		2364
1808	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1809		2366
1810	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1811		2369
1812	=cut	2370	=cut
1813		2371
1814	sub inv_recursive_;	2372	sub inv_recursive_;
1815	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1818		2376
1819	sub inv_recursive {	2377	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1821	}	2379	}
1822		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1823	package cf;	2409	package cf;
1824		2410
1825	=back	2411	=back
1826		2412
1827	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1836		2422
1837	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1838		2438
1839	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2440	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1844		2444
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2446
1847	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1849	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1852	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1853	}	2472	}
1854		2473
1855	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1856		2475
1857	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1870		2489
1871	=item $player_object->enter_link	2490	=item $player_object->enter_link
1872		2491
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2493
1875	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
1877		2498
1878	Will never block.	2499	Will never block.
1879		2500
1880	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1881		2502
…		…
1904	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1905		2526
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2528
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1910		2531
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2533	}
1913		2534
1914	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1916		2539
1917	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1918		2541
1919	unless ($map) {	2542	unless ($map) {
1920	# restore original map position	2543	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1937		2560
1938	$map->load;	2561	$map->load;
1939	$map->load_diag;	2562	$map->load_neighbours;
1940		2563
1941	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2566	$self->activate_recursive;
1943		2567
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1946	}	2570	}
1947		2571
1948	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2573
1952	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1956	};	2578	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2579
1962	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2582
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1983		2586
1984	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
		2589
		2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2592
1987	$self->enter_link;	2593	$self->enter_link;
1988		2594
1989	(async {	2595	(async {
		2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
1990	my $map = eval {	2617	my $map = eval {
1991	my $map = cf::map::find $path;	2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
		2622	$map = $check->($map) if $check && $map;
		2623	} else {
		2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626
1993	$map	2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2633	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1998	})->prio (1);	2641	})->prio (1);
1999	}	2642	}
2000		2643
2001	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
2002		2645
…		…
2022	}	2665	}
2023		2666
2024	sub prepare_random_map {	2667	sub prepare_random_map {
2025	my ($exit) = @_;	2668	my ($exit) = @_;
2026		2669
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2672	# that depends on the exit object
2032		2673
2033	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2676	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2040	}	2683	}
2041		2684
2042	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2043		2686
2044	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2047		2690
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2693	undef $fh;
2051	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2052		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2055	}	2702	}
2056	}	2703	}
2057		2704
2058	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2060		2707
2061	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2062		2709
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2710	$self->enter_link;
2075		2711
2076	(async {	2712	(async {
2077	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
2078	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2079	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2080		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2081	1;	2736	1
2082	}) {	2737	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2742
2088	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2107		2762
2108	utf8::encode $text;	2763	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2765	}
2111		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
2112	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2113		2919
2114	Sends an exti event to the client.	2920	Sends an ext event to the client.
2115		2921
2116	=cut	2922	=cut
2117		2923
2118	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2120		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2123	}	2951	}
2124		2952
2125	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2126		2954
2127	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2958
2131	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2960	become reliable at some point in the future.
2133		2961
2134	=cut	2962	=cut
2135		2963
2136	sub cf::client::query {	2964	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2973	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2975
2148	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2150	}	2980	}
2151		2981
2152	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2153	on_reply => sub {	2988	on_reply => sub {
2154	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2155		2990
2156	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2157	# get handled first	2992	# get handled first
…		…
2169	} else {	3004	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3006	}
2172	}	3007	}
2173	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2174	);	3035	);
2175		3036
2176	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2177		3038
2178	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2221		3082
2222	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2223		3084
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2225		3090
2226	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2227		3092
2228	=pod	3093	=pod
2229		3094
2230	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2231		3096
2232	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2233	cf::object::player player	3101	cf::object::player
2234	cf::player peaceful	3102	player
2235	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2236		3109
2237	=cut	3110	=cut
2238		3111
2239	for (	3112	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2241	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2244	) {	3119	) {
2245	no strict 'refs';	3120	no strict 'refs';
…		…
2316	=back	3191	=back
2317		3192
2318	=cut	3193	=cut
2319		3194
2320	#############################################################################	3195	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3196	# the server's init and main functions
2496		3197
2497	sub load_facedata($) {	3198	sub load_facedata($) {
2498	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3206
2500	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2501		3208
2502	my $facedata;	3209	my $facedata;
2503	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2507		3214
2508	$facedata->{version} == 2	3215	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2511	{	3225	{
2512	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2513		3227
2514	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3235
		3236	cf::cede_to_tick;
2520	}	3237	}
2521		3238
2522	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2524	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2525	or next;	3243	or next;
		3244
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3248	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3250	}
2531	Coro::cede;	3251
		3252	cf::cede_to_tick;
2532	}	3253	}
2533	}	3254	}
2534		3255
2535	{	3256	{
2536	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2537		3258
2538	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3261	cf::cede_to_tick;
2541	}	3262	}
2542		3263
2543	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2544	}	3265	}
2545		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2546	1	3302	1
2547	}	3303	}
2548		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2549	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2550	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2552	}	3355	}
2553		3356
2554	sub reload_facedata {	3357	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2567	}	3370	}
2568		3371
2569	sub reload_resources {	3372	sub reload_resources {
2570	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2571		3374
2572	reload_regions;
2573	reload_facedata;	3375	reload_facedata;
2574	reload_archetypes;	3376	reload_archetypes;
		3377	reload_regions;
2575	reload_treasures;	3378	reload_treasures;
2576		3379
2577	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2578	}	3381	}
2579		3382
2580	sub init {	3383	sub reload_config {
2581	reload_resources;
2582	}
2583
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3385	or return;
2587		3386
2588	local $/;	3387	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2590		3389
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3391
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3399	};
2601	warn $@ if $@;	3400	warn $@ if $@;
2602	}	3401	}
2603	}	3402	}
2604		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2605	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2606	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3442	(async {
2610	Event::one_event;	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
2612	};	3446	};
2613		3447
2614	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
2615	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2616	load_extensions;	3466	load_extensions;
2617		3467
2618	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2619	Event::loop;	3476	EV::loop;
2620	}	3477	}
2621		3478
2622	#############################################################################	3479	#############################################################################
2623	# initialisation and cleanup	3480	# initialisation and cleanup
2624		3481
2625	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2626	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2635	},
2636	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2637	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2638	}	3576	}
2639		3577
2640	sub emergency_save() {	3578	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2642		3580
2643	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2644		3582
2645	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2646	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3597	$pl->save;
2654	}	3598	}
2655	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2656		3600
2657	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3604	$map->valid or next;
2661	$map->save;	3605	$map->save;
2662	}	3606	}
2663	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
2664		3608
2665	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2668	};	3616	};
2669		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2670	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2671	}	3624	}
2672		3625
2673	sub post_cleanup {	3626	sub post_cleanup {
2674	my ($make_core) = @_;	3627	my ($make_core) = @_;
2675		3628
2676	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
2678	}	3660	}
2679		3661
2680	sub do_reload_perl() {	3662	sub do_reload_perl() {
2681	# can/must only be called in main	3663	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
2684	return;	3666	return;
2685	}	3667	}
2686		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2687	warn "reloading...";	3674	warn "reloading...";
2688		3675
2689	warn "entering sync_job";	3676	warn "entering sync_job";
2690		3677
2691	cf::sync_job {	3678	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3680	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
2695		3682
2696	warn "syncing database to disk";	3683	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3685
2699	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2700		3687
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3691	}
2737		3692
2738	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
2740	}	3695	%EXT_CORO = ();
2741		3696
2742	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3706	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3707
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2753	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2754	}	3717	}
2755		3718
2756	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2757	}	3734	}
2758		3735
2759	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3739
2763	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
2766		3743
2767	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3745	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2770		3747
2771	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
2772		3749
2773	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2774	require cf;	3751	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3753
2777	warn "loading config and database again";	3754	warn "loading config and database again";
2778	cf::cfg_load;	3755	cf::reload_config;
2779		3756
2780	warn "loading extensions";	3757	warn "loading extensions";
2781	cf::load_extensions;	3758	cf::load_extensions;
2782		3759
		3760	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
2789		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
2790	warn "leaving sync_job";	3772	warn "leaving sync_job";
2791		3773
2792	1	3774	1
2793	} or do {	3775	} or do {
2794	warn $@;	3776	warn $@;
2795	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3778	};
2798		3779
2799	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
2800	};	3786	};
2801		3787
2802	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
2803		3789
2804	sub reload_perl() {	3790	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
2807		3793
2808	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3796
2811	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3798	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
2815	},	3800	};
2816	);	3801	};
2817	}	3802	}
2818		3803
2819	register_command "reload" => sub {	3804	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2821		3806
2822	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3811	reload_perl;
		3812	};
2825	}	3813	}
2826	};	3814	};
2827		3815
2828	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2829		3817
…		…
2831		3819
2832	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
2834		3822
2835	sub wait_for_tick {	3823	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3825
2839	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3828	$signal->wait;
2842	}	3829	}
2843		3830
2844	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3833
2848	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3836	$signal->wait;
2851	}	3837	}
2852		3838
2853	$TICK_WATCHER = Event->timer (	3839	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
2863	return;	3843	return;
2864	}	3844	}
2865		3845
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2869		3847
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3850	Coro::async_pool {
		3851	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3852	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3854	};
		3855	}
2880		3856
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3858	$sig->send;
2886	}	3859	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3861	$sig->send;
2889	}	3862	}
2890		3863
2891	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3866
2902	_post_tick;	3867	if (0) {
2903		3868	if ($NEXT_TICK) {
2904		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
2905	},	3873	}
2906	);	3874	}
2907		3875
2908	{	3876	{
2909	BDB::max_poll_time $TICK * 0.1;	3877	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3878
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
2919		3880	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3881	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3882
2935	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3890
2938	cf::sync_job {	3891	cf::sync_job {
2939	eval {	3892	eval {
2940	BDB::db_env_open	3893	BDB::db_env_open
2941	$DB_ENV,	3894	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3898	0666;
2946		3899
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3901	};
2952		3902
2953	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3904	};
2955	}	3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
2956	}	3916	}
2957		3917
2958	{	3918	{
		3919	# configure IO::AIO
		3920
2959	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3924	}
2972		3925
2973	my $_log_backtrace;	3926	my $_log_backtrace;
2974		3927
2975	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
2979		3932
2980	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
2983	async {	3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
2984	my @bt = fork_call {	3940	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3944	or die "addr2line: $!";
…		…
2996	}	3952	}
2997		3953
2998	@funcs	3954	@funcs
2999	};	3955	};
3000		3956
3001	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3960	--$_log_backtrace;
3004	};	3961	};
3005	} else {	3962	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines